Winkller Helmut G F Petrogenesis of metamorhic rocks - 4 - New York Springer-Verlag 1976 - 334p. cm. Includes bibliographical references.; Index 331-334p. Standard No.: 14803 Source: Textual Subjects--Topical Terms: Metamorphic rocks PetrogenesisGeology Dewey Class. No.: H22:16, L4;L6